Perhaps you should try some spelling variations:
shang john » change john, shang jin, shang jen
yang yang » wang yang, wang yan
john wong » john song, john bonn
yan wang » yuan wang, qian wang, yan liang
yang hui » yang jui, wang hui, yang muxi
wong sau » wong sam, wong siu, wong shiu
yang xi » yang di, yang yi, yang jui

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((yan wang) OR (yang yang)) ((yang hui) or (yang xi)) rene shang john wong sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan wang) OR (yang yang)) ((yang hui) OR (yang xi)) rene shang john wong sau ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yan wang) OR (yang yang)) ((yang hui) or (yang xi)) rene shang john wong sau ;*".